See also:

Automatic update
About twice a year, Sirius performs an update of the channel names and positions. The update takes place automatically and may take several minutes. ...

Starting destination guidance
1. "Navigation" 2. "Last destinations" 3. Select the destination. 4. "Start guidance" ...

Service requirements
The remaining driving distance and the date of the next scheduled service are displayed briefly immediately after you start the engine or switch on the ignition. The extent of service work requi ...